| Server IP : 217.160.0.212 / Your IP : 216.73.216.141 Web Server : Apache System : Linux www 6.18.51-i1-ampere #1196 SMP Fri Sep 11 20:43:55 CEST 2026 aarch64 User : sws1073854427 ( 1073854427) PHP Version : 8.4.23 Disable Function : NONE MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : OFF | Pkexec : OFF Directory : /usr/lib/go-1.23/src/crypto/ecdsa/ |
Upload File : |
// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ecdsa_test
import (
"crypto/ecdsa"
"crypto/elliptic"
"crypto/rand"
"crypto/sha256"
"fmt"
)
func Example() {
privateKey, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
if err != nil {
panic(err)
}
msg := "hello, world"
hash := sha256.Sum256([]byte(msg))
sig, err := ecdsa.SignASN1(rand.Reader, privateKey, hash[:])
if err != nil {
panic(err)
}
fmt.Printf("signature: %x\n", sig)
valid := ecdsa.VerifyASN1(&privateKey.PublicKey, hash[:], sig)
fmt.Println("signature verified:", valid)
}